@InCollection{SHW:OOCC94Book,
author  = {Gert Smolka and Martin Henz and J{\"o}rg W{\"u}rtz},
title   = {Object-Oriented Concurrent Constraint Programming in {O}z},
booktitle = "Principles and Practice of Constraint Programming",
editor  = "P. van Hentenryck and V. Saraswat",
publisher = "The MIT Press",
chapter = 2,
pages   = "29-48",
year    = 1995,
}